pythonPackages.ecos: init at 2.0.7.post1

Embedded cone solver interface for optimization problems in Python.
Dependency of qiskit-ignis.

pkgs/development/python-modules/ecos/default.nix

@@ -0,0 +1,50 @@
+{ lib
+, pythonOlder
+, buildPythonPackage
+, fetchFromGitHub
+, pkgs
+, numpy
+, scipy
+  # check inputs
+, nose
+}:
+
+buildPythonPackage rec {
+  pname = "ecos";
+  version = "2.0.7.post1";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "embotech";
+    repo = "ecos-python";
+    rev = version;
+    sha256 = "1wzmamz2r4xr2zxgfwnm5q283185d1q6a7zn30vip18lxpys70z0";
+    fetchSubmodules = true;
+  };
+
+  prePatch = ''
+    echo '__version__ = "${version}"' >> ./src/ecos/version.py
+  '';
+
+  propagatedBuildInputs = [
+    numpy
+    scipy
+  ];
+
+  checkInputs = [ nose ];
+  checkPhase = ''
+    # Run tests
+    cd ./src
+    nosetests test_interface.py test_interface_bb.py
+  '';
+  pythonImportsCheck = [ "ecos" ];
+
+  meta = with lib; {
+    description = "Python package for ECOS: Embedded Cone Solver";
+    downloadPage = "https://github.com/embotech/ecos-python/releases";
+    homepage = pkgs.ecos.meta.homepage;
+    license = licenses.asl20;
+    maintainers = with maintainers; [ drewrisinger ];
+  };
+}

pkgs/top-level/python-packages.nix

@@ -3435,6 +3435,8 @@ in {
 
   ecdsa = callPackage ../development/python-modules/ecdsa { };
 
+  ecos = callPackage ../development/python-modules/ecos { };
+
   effect = callPackage ../development/python-modules/effect {};
 
   enum = callPackage ../development/python-modules/enum { };